public Cell<Content> RelativeCell(Direction direction, Position fieldHead, Position chipHead, Position chipCell)
{
switch (direction)
{
case Direction.North:
return NorthView(fieldHead, chipHead, chipCell);
case Direction.West:
return WestView(fieldHead, chipHead, chipCell);
case Direction.East:
return EastView(fieldHead, chipHead, chipCell);
case Direction.South:
return SouthView(fieldHead, chipHead, chipCell);
default:
throw new ArgumentOutOfRangeException("direction");
}
}
private static bool FieldIsSelf(Fighter fighter, Position fieldCell)
{
if (fighter.Head != null && fighter.Head.X == fieldCell.X && fighter.Head.Y == fieldCell.Y) return true;
if (fighter.Tail != null && fighter.Tail.X == fieldCell.X && fighter.Tail.Y == fieldCell.Y) return true;
return fighter.Body.Any(b => b.X == fieldCell.X && b.Y == fieldCell.Y);
}
private Cell<Content> SouthView(Position fieldHead, Position chipHead, Position chipCell)
{
var x = fieldHead.X - chipCell.X + chipHead.X;
var y = fieldHead.Y - chipCell.Y + chipHead.Y;
return new Cell<Content> { X = x, Y = y, Content = this[x, y] };
}